replace error logging with log_err in stdlib and rustc

2 files changed, 34 insertions, 35 deletions

diff --git a/src/comp/driver/rustc.rs b/src/comp/driver/rustc.rs
index db069279..085a1f58 100644
--- a/src/comp/driver/rustc.rs
+++ b/src/comp/driver/rustc.rs
@@ -18,6 +18,7 @@ import std.option.some;
 import std.option.none;
 import std._str;
 import std._vec;
+import std.io;
 
 fn default_environment(session.session sess,
                        str argv0,
@@ -88,26 +89,24 @@ impure fn pretty_print_input(session.session sess,
 }
 
 fn warn_wrong_compiler() {
-    log "This is the rust 'self-hosted' compiler.";
-    log "The one written in rust.";
-    log "It is currently incomplete.";
-    log "You may want rustboot instead, the compiler next door.";
+    io.stdout().write_str("This is the rust 'self-hosted' compiler.
+The one written in rust.
+It is currently incomplete.
+You may want rustboot instead, the compiler next door.\n");
 }
 
 fn usage(session.session sess, str argv0) {
-    log #fmt("usage: %s [options] <input>", argv0);
-    log "options:";
-    log "";
-    log "    -o <filename>      write output to <filename>";
-    log "    -nowarn            suppress wrong-compiler warning";
-    log "    -glue              generate glue.bc file";
-    log "    -shared            compile a shared-library crate";
-    log "    -pp                pretty-print the input instead of compiling";
-    log "    -ls                list the symbols defined by a crate file";
-    log "    -L <path>          add a directory to the library search path";
-    log "    -h                 display this message";
-    log "";
-    log "";
+    io.stdout().write_str(#fmt("usage: %s [options] <input>\n", argv0) + "
+options:
+
+    -o <filename>      write output to <filename>
+    -nowarn            suppress wrong-compiler warning
+    -glue              generate glue.bc file
+    -shared            compile a shared-library crate
+    -pp                pretty-print the input instead of compiling
+    -ls                list the symbols defined by a crate file
+    -L <path>          add a directory to the library search path
+    -h                 display this message\n\n");
 }
 
 fn get_os() -> session.os {
diff --git a/src/comp/driver/session.rs b/src/comp/driver/session.rs
index 9cbbc94c..8e0f22b2 100644
--- a/src/comp/driver/session.rs
+++ b/src/comp/driver/session.rs
@@ -42,16 +42,16 @@ state obj session(ast.crate_num cnum, cfg targ,
     fn span_err(span sp, str msg) {
         auto lo = codemap.lookup_pos(cm, sp.lo);
         auto hi = codemap.lookup_pos(cm, sp.hi);
-        log #fmt("%s:%u:%u:%u:%u: error: %s",
-                 lo.filename,
-                 lo.line, lo.col,
-                 hi.line, hi.col,
-                 msg);
+        log_err #fmt("%s:%u:%u:%u:%u: error: %s",
+                     lo.filename,
+                     lo.line, lo.col,
+                     hi.line, hi.col,
+                     msg);
         fail;
     }
 
     fn err(str msg) {
-        log #fmt("error: %s", msg);
+        log_err #fmt("error: %s", msg);
         fail;
     }
 
@@ -65,31 +65,31 @@ state obj session(ast.crate_num cnum, cfg targ,
     fn span_warn(span sp, str msg) {
         auto lo = codemap.lookup_pos(cm, sp.lo);
         auto hi = codemap.lookup_pos(cm, sp.hi);
-        log #fmt("%s:%u:%u:%u:%u: warning: %s",
-                 lo.filename,
-                 lo.line, lo.col,
-                 hi.line, hi.col,
-                 msg);
+        log_err #fmt("%s:%u:%u:%u:%u: warning: %s",
+                     lo.filename,
+                     lo.line, lo.col,
+                     hi.line, hi.col,
+                     msg);
     }
 
     fn bug(str msg) {
-        log #fmt("error: internal compiler error %s", msg);
+        log_err #fmt("error: internal compiler error %s", msg);
         fail;
     }
 
     fn span_unimpl(span sp, str msg) {
         auto lo = codemap.lookup_pos(cm, sp.lo);
         auto hi = codemap.lookup_pos(cm, sp.hi);
-        log #fmt("%s:%u:%u:%u:%u: error: unimplemented %s",
-                 lo.filename,
-                 lo.line, lo.col,
-                 hi.line, hi.col,
-                 msg);
+        log_err #fmt("%s:%u:%u:%u:%u: error: unimplemented %s",
+                     lo.filename,
+                     lo.line, lo.col,
+                     hi.line, hi.col,
+                     msg);
         fail;
     }
 
     fn unimpl(str msg) {
-        log #fmt("error: unimplemented %s", msg);
+        log_err #fmt("error: unimplemented %s", msg);
         fail;
     }